125038321 has 4 divisors (see below), whose sum is σ = 125992944. Its totient is φ = 124083700.

The previous prime is 125038273. The next prime is 125038339. The reversal of 125038321 is 123830521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125038321 - 2¹⁷ = 124907249 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125038391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477115 + ... + 477376.

It is an arithmetic number, because the mean of its divisors is an integer number (31498236).

Almost surely, 2^125038321 is an apocalyptic number.

It is an amenable number.

125038321 is a deficient number, since it is larger than the sum of its proper divisors (954623).

125038321 is an equidigital number, since it uses as much as digits as its factorization.

125038321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954622.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 125038321 is about 11182.0535233918. The cubic root of 125038321 is about 500.0510894462.

Adding to 125038321 its reverse (123830521), we get a palindrome (248868842).

The spelling of 125038321 in words is "one hundred twenty-five million, thirty-eight thousand, three hundred twenty-one".